New Delhi: When and how to change the spark plug of a car engine If this question has been lingering in your mind, youve come to the right place for answers. The spark plug, a seemingly small component but it plays a pivotal role in the functioning of your vehicle. In simple terms, without a properly functioning spark plug, your car wont start. Lets delve into the intricacies of spark plugs, their importance, and the crucial aspect of knowing when to replace them.Significance of spark plugsIf theres no spark plug, your car simply wont run. To put it bluntly, a damaged spark plug translates to difficulties in starting your car. Opting for high-quality spark plugs can save you from ignition troubles. Beyond that, the fuel efficiency of your vehicle is also contingent on the condition of its spark plugs.When to replace spark plugGood quality spark plugs, fortunately, dont require frequent replacement. Typically, spark plugs in vehicles endure for about 30,000 kilometers. As a vehicle owner, its advisable to mark this milestone and ensure a timely replacement after covering this distance. Additionally, regular check-ups by a professional mechanic contribute to the longevity and efficiency of your spark plugs.Benefits of regular replacementChanging spark plugs at recommended intervals goes beyond ensuring a smooth ignition experience. It extends to improving your cars overall engine performance. The timely replacement of spark plugs is instrumental in maintaining the engines health. Consistent replacement is not just a maintenance task its a key factor in sustaining optimal engine performance over time.This article has shed light on the significance of spark plugs, emphasised the timing of their replacement, and elucidated the benefits reaped from consistent care. By staying informed and proactive about your spark plugs, youre not only ensuring a hassle-free ignition but also contributing to the longevity and efficiency of your cars engine.